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General Research Process
Researching "Customary International Law" can seem like an elusive process. According to International Legal Research in a Nutshell, the basic outline for conducting such research might take a form such as this:
- Basic reference tools (See General Resources/Tools Tab)
- Commentary/analysis (See General Resources Tab)
- International law decisions (See International Tribunals Tab)
- Treaties/agreements (See Treatises Tab)
- State practice
- International governmental organizations (IGO) practice
- National laws (See National Laws Tab)
- Fact-based research
Hoffman, M., & Berring, R. C. (2017), pp. 72-73. International legal research in a nutshell. St. Paul, MN: West Academic Publishing.
This tab focuses on sources needed to locate materials known as "State Practice."
US State Practice Sources
Yearbooks are available from HeinOnline for a variety of different countries and regions. This could be a good start when reviewing national laws and cases on issues of public international law.